30778891

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 38610432

約数和(自身を除く): 7831541

約数列:

[1, 11, 13, 17, 121, 143, 187, 221, 1151, 1573, 2057, 2431, 12661, 14963, 19567, 26741, 139271, 164593, 215237, 254371, 1810523, 2367607, 2798081, 30778891]

約数ペア:

[(1, 30778891), (11, 2798081), (13, 2367607), (17, 1810523), (121, 254371), (143, 215237), (187, 164593), (221, 139271), (1151, 26741), (1573, 19567), (2057, 14963), (2431, 12661)]